Understanding lipid results

Overview

Lipid results come from a blood test that measures the levels of fats (lipids) in your blood, especially cholesterol and triglycerides. These numbers help your doctor assess your risk of heart disease and stroke. Healthy levels mean lower risk; high levels may need attention.

Yes, high cholesterol is very common. About 2 in 5 adults in the UK have high cholesterol.

It can affect people of all ages, but the risk increases with age. People with a family history of high cholesterol, a diet high in saturated fats, or a sedentary lifestyle are more likely to have abnormal lipid results.

Symptoms

Common symptoms

• Most people with high cholesterol have no symptoms at all.

Symptoms in children

• Children usually have no symptoms. Very rarely, severely high cholesterol from a genetic condition can cause yellowish fatty deposits on the skin called xanthomas.

Symptoms in older adults

• Like younger adults, older adults typically have no symptoms. High cholesterol is often found during routine health checks.

Causes

Main causes

• Eating too much saturated and trans fats
• Not being physically active
• Being overweight or obese
• Smoking
• Drinking too much alcohol
• Genetic conditions, such as familial hypercholesterolaemia

Risk factors

• Family history of high cholesterol or early heart disease
• Age – risk increases as you get older
• Having diabetes, high blood pressure, or kidney disease
• Being of South Asian or African Caribbean descent (higher risk for some lipid conditions)

When to see a doctor

See a doctor urgently if:

• If you have chest pain, shortness of breath, or symptoms of a stroke, seek emergency care immediately.

Book a routine appointment if:

• If you are 40–74 years old, you will be invited for an NHS health check that includes a lipid test.
• If you have a family history of early heart disease or high cholesterol, ask your doctor about testing at any age.

Diagnosis

A simple blood test called a lipid panel or lipid profile measures your total cholesterol, LDL cholesterol, HDL cholesterol, and triglycerides.

Tests that may be done

• Fasting or non-fasting blood test (your doctor will advise which is needed)
• Sometimes a secondary test for a genetic form of high cholesterol (familial hypercholesterolaemia)

What to expect at your appointment

A healthcare professional will take a small sample of blood from your arm. You may be asked not to eat or drink anything except water for 8–12 hours before the test. Results usually come back in a few days.

Treatment

Treatment focuses on lowering your risk of heart disease and stroke. It includes lifestyle changes and, if needed, medication prescribed by your doctor.

Self-care at home

• Eat more fruits, vegetables, whole grains, and healthy fats like those in olive oil, nuts, and fish.
• Reduce foods high in saturated fat (butter, fatty meats, full-fat dairy, processed foods).
• Be physically active for at least 150 minutes of moderate activity each week.
• If you smoke, get help to stop – smoking lowers HDL ('good') cholesterol.
• Limit alcohol to no more than 14 units per week for both men and women.

Medical treatments

Your doctor may prescribe medication if lifestyle changes are not enough or if you have a genetic condition. Common types include statins (which lower LDL cholesterol) and other medicines that reduce cholesterol absorption or help the body remove more cholesterol. The choice depends on your overall health and risk factors. Take any prescribed medicine exactly as directed and talk to your doctor about side effects.

When is surgery considered?

Surgery is not used to treat abnormal lipid levels. However, if you develop severe heart disease due to high cholesterol, procedures such as angioplasty or bypass surgery may be needed – but these are not direct treatments for the lipid levels themselves.

Living with this condition

Managing your lipid levels is a long-term commitment. With healthy habits and, if needed, medication, you can keep your numbers in a good range and lower your risk of heart problems.

Lifestyle tips

• Check your cholesterol regularly as advised by your doctor.
• Take your medication consistently if prescribed.
• Monitor your weight, blood pressure, and blood sugar if you have other risk factors.
• Stress can affect your habits – find healthy ways to cope, like exercise or talking to friends.

Diet and exercise

A heart-healthy diet includes plenty of fibre (oatmeal, beans, lentils), omega-3 fats from fish like salmon and mackerel, and plant sterols from fortified foods. Avoid fried foods and sugary snacks. Aim for at least 30 minutes of moderate exercise most days – even brisk walking helps.

Mental health and emotional wellbeing

Finding out you have high cholesterol can be worrying, but remember it is a common and manageable condition. If you feel anxious, talk to your doctor or a counsellor. Joining a support group or online community can also help you feel less alone.

Prevention

You can greatly reduce your risk of developing high cholesterol by eating a healthy diet, staying active, maintaining a healthy weight, not smoking, and limiting alcohol. For some people with a strong genetic link, prevention is not possible, but early detection and treatment can prevent complications.

Screening programmes

In the UK, adults aged 40–74 are routinely screened for high cholesterol as part of the NHS Health Check. If you have a family history of early heart disease or high cholesterol, ask your doctor about being tested earlier.

Complications

If left untreated

• Narrowing of the arteries (atherosclerosis), which can reduce blood flow to the heart and brain
• Heart attack
• Stroke
• Peripheral artery disease (pain in legs when walking)
• Angina (chest pain due to reduced blood flow to the heart)

Long-term outlook

With proper management, the outlook is very good. Most people can bring their cholesterol to a healthy level and significantly lower their risk of heart disease and stroke. Even if you have a genetic condition, modern treatments are effective and can help you live a long, healthy life.

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